Home / 177,927.14-266,890.70-72,721.50

Finding the Fourth Proportional to 177,927.14, 266,890.70 and 72,721.50

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Solution

The fourth proportional to 177,927.14, 266,890.70 and 72,721.50 is: 109,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,927.14 : 266,890.70 = 72,721.50 : x
  2. Step 2: Convert to fraction form
    177,927.14/266,890.70 = 72,721.50/x
  3. Step 3: Cross multiply
    177,927.14x = 266,890.70 × 72,721.50
  4. Step 4: Simplify right side
    177,927.14x = 19,408,691,676.44
  5. Step 5: Solve for x
    x = 19,408,691,676.44/177,927.14
  6. Step 6: Final answer
    x = 109,082.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.